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Fallback to monospaced font if Monospace family is not found

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This commit is contained in:
Lucas Timmins 2023-05-20 02:05:52 +08:00
parent bfb5eefbfa
commit e1e9fb5215
1 changed files with 14 additions and 0 deletions
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14
src/font/fallback/mod.rs
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@ -112,6 +112,7 @@ impl<'a> Iterator for FontFallbackIter<'a> {
fn next(&mut self) -> Option<Self::Item> {
while self.default_i < self.default_families.len() {
self.default_i += 1;
let mut monospace_fallback = None;
for id in self.font_ids.iter() {
let default_family = self
.font_system
@ -122,6 +123,19 @@ impl<'a> Iterator for FontFallbackIter<'a> {
return Some(font);
}
}
// Set a monospace fallback if Monospace family is not found
if self.default_families[self.default_i - 1] == &Family::Monospace
&& self.font_system.db().face(*id).map(|f| f.monospaced) == Some(true)
&& monospace_fallback.is_none()
{
monospace_fallback = Some(id);
}
}
// If default family is Monospace allback to first monospaced font
if let Some(id) = monospace_fallback {
if let Some(font) = self.font_system.get_font(*id) {
return Some(font);
}
}
}